{"id":"CVE-2026-57486","title":"pupnp: NULL pointer dereference in ixmlNode_compare crashes on non-namespaced attributes","summary":"pupnp is an SDK for development of UPnP device and control point applications. Prior to 2.0.2, ixmlNode_compare in ixml/src/node.c passes the nullable nodeValue, namespaceURI, prefix, and localName fields directly to strcmp. Non-namespac…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-476"],"vendor":"pupnp","product":"pupnp","affected":["pupnp < 2.0.2"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-16T15:56:13.970808Z"},"exploitAvailable":true,"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T15:56:47.362Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-57486","references":[{"url":"https://github.com/pupnp/pupnp/security/advisories/GHSA-q54q-vx78-v9rq","label":"https://github.com/pupnp/pupnp/security/advisories/GHSA-q54q-vx78-v9rq"},{"url":"https://github.com/pupnp/pupnp/commit/4b2f775e3b98de3cfb096707bcde040c5562d9ec","label":"https://github.com/pupnp/pupnp/commit/4b2f775e3b98de3cfb096707bcde040c5562d9ec"},{"url":"https://github.com/pupnp/pupnp/releases/tag/release-2.0.2","label":"https://github.com/pupnp/pupnp/releases/tag/release-2.0.2"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-10-16T17:24:46.881Z","slug":"CVE-2026-57486","body":"## Overview\n\npupnp is an SDK for development of UPnP device and control point applications. Prior to 2.0.2, ixmlNode_compare in ixml/src/node.c passes the nullable nodeValue, namespaceURI, prefix, and localName fields directly to strcmp. Non-namespaced attributes created by ixmlDocument_createAttribute legitimately leave those fields NULL. When ixmlElement_removeAttributeNode compares two distinct attribute objects with the same nodeName through find_condition_node, the pointer-identity shortcut does not apply and the comparison dereferences NULL, causing a process crash when application handling of attacker-controlled XML reaches this path. This issue is fixed in 2.0.2.\n\n## Affected\n\n- `pupnp < 2.0.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}